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Statistical Entropy of Nonextremal Four-Dimensional Black Holes and U-Duality

G. T. Horowitz, D. A. Lowe, J. M. Maldacena

hep-tharXiv:hep-th/9603195

Abstract

We identify the states in string theory which are responsible for the entropy of near-extremal rotating four-dimensional black holes in N=8 supergravity. For black holes far from extremality (with no rotation), the Bekenstein-Hawking entropy is exactly matched by a mysterious duality invariant extension of the formulas derived for near-extremal black holes states.

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